-- Durable control plane for outbound-only 1C polling. No clinical data is removed.
ALTER TABLE onec_appointments ADD COLUMN patient_comment text NOT NULL DEFAULT '';
ALTER TABLE onec_appointments ADD COLUMN patient_birth_date text NOT NULL DEFAULT '';
CREATE INDEX onec_appointments_occupancy_idx ON onec_appointments(doctor_onec_id,start_at)
    WHERE status IN ('pending','booked','arrived');
CREATE TABLE onec_push_state (
    singleton boolean PRIMARY KEY DEFAULT true CHECK(singleton),
    last_snapshot_at timestamptz,
    sync_requested boolean NOT NULL DEFAULT true
);
INSERT INTO onec_push_state(singleton) VALUES(true);
CREATE TABLE onec_commands (
    id bigserial PRIMARY KEY,
    appointment_id bigint NOT NULL REFERENCES onec_appointments(id),
    kind text NOT NULL CHECK(kind IN ('cancel','link_bitrix','link_crm')),
    value text NOT NULL DEFAULT '',
    final_state text NOT NULL DEFAULT '',
    completed_at timestamptz,
    notification_done boolean NOT NULL DEFAULT false,
    last_error text NOT NULL DEFAULT '',
    created_at timestamptz NOT NULL DEFAULT now(),
    UNIQUE(appointment_id,kind)
);